Norethin: lower cost can improve OC compliance.
D003280:Contraceptives, Oral, Synthetic / Q000191:economics*; D016527:Drug Costs; D005260:Female; D006801:Humans; D009640:Norethindrone / Q000191:economics*; D010349:Patient Compliance
D003280:Contraceptives, Oral, Synthetic; D009640:Norethindrone